Finding the Fourth Proportional to 208,174.05, 311,769.19 and 101,630.97
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Solution
The fourth proportional to 208,174.05, 311,769.19 and 101,630.97 is: 152,206.32
Step by Step Solution
- Step 1: Write the proportion equation
208,174.05 : 311,769.19 = 101,630.97 : x - Step 2: Convert to fraction form
208,174.05/311,769.19 = 101,630.97/x - Step 3: Cross multiply
208,174.05x = 311,769.19 × 101,630.97 - Step 4: Simplify right side
208,174.05x = 31,685,405,037.02 - Step 5: Solve for x
x = 31,685,405,037.02/208,174.05 - Step 6: Final answer
x = 152,206.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.